.tabs {
  display: block;
  display: -webkit-flex;
  display: -moz-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  -moz-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0;
  overflow: hidden;
}
.tabs [class^="tab"] label,
.tabs [class*=" tab"] label {
  /*     color: black; */
  cursor: pointer;
  display: block;
  font-size: 1.1em;
  font-weight: 300;
  line-height: 1em;
  padding: 2rem 0;
  text-align: center;
}
.tabs [class^="tab"] [type="radio"],
.tabs [class*=" tab"] [type="radio"] {
  /*     border-bottom: 1px solid rgba(239, 237, 239, 0.5); */
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}
.tabs [class^="tab"] [type="radio"]:hover,
.tabs [class^="tab"] [type="radio"]:focus,
.tabs [class*=" tab"] [type="radio"]:hover,
.tabs [class*=" tab"] [type="radio"]:focus {
  /*    tab标签选中的颜色标志      */
  border-bottom: 1px solid #40a9ff;
}
.tabs [class^="tab"] [type="radio"]:checked,
.tabs [class*=" tab"] [type="radio"]:checked {
  border-bottom: 2px solid #40a9ff;
}
.tabs [class^="tab"] [type="radio"]:checked + div,
.tabs [class*=" tab"] [type="radio"]:checked + div {
  opacity: 1;
}
.tabs [class^="tab"] [type="radio"] + div,
.tabs [class*=" tab"] [type="radio"] + div {
  display: block;
  opacity: 0;
  padding: 2rem 0;
  width: 90%;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}
.tabs .tab-2 {
  width: 50%;
}
.tabs .tab-2 input {
  outline: none;
}
.tabs .tab-2 [type="radio"] + div {
  width: 200%;
  margin-left: 200%;
}
.tabs .tab-2 [type="radio"]:checked + div {
  margin-left: 0;
}
.tabs .tab-2:last-child [type="radio"] + div {
  margin-left: 100%;
}
.tabs .tab-2:last-child [type="radio"]:checked + div {
  margin-left: -100%;
}

.tabs .tab-3 {
  width: 33%;
}
.tabs .tab-3 input {
  outline: none;
}
.tabs .tab-3 [type="radio"] + div {
  width: 300%;
  margin-left: 300%;
}
.tabs .tab-3 [type="radio"]:checked + div {
  margin-left: 0;
}
.tabs .tab-3:nth-child(2) [type="radio"] + div {
  margin-left: 100%;
}
.tabs .tab-3:nth-child(2) [type="radio"]:checked + div {
  margin-left: -100%;
}
.tabs .tab-3:last-child [type="radio"] + div {
  margin-left: 200%;
}
.tabs .tab-3:last-child [type="radio"]:checked + div {
  margin-left: -200%;
}
